/Engine/Source/Editor/AnimationBlueprintLibrary/Public/AnimationBlueprintLibrary.h
Checks whether or not the given Marker Name is a valid Animation Sync Marker Name
static bool IsValidAnimationSyncMarkerName ( const [UAnimSequence](API\Runtime\Engine\Animation\UAnimSequence) * AnimationSequence, [FName](API\Runtime\Core\UObject\FName) MarkerName )